<?php
    $arr = [
        ['PHP开发', 'web前端进阶', 'PHP+H5全栈开发'],
        ['移动开发','混合式app开发框课','H5配合原生开发APP','小程序快应用开发框架'],
        ['游戏开发','网页游戏开发','网页高性能图片编程']
    
    ];
?>
<h2>PHP培训课程信息</h2>
<ul>
  <?php foreach($arr as $values): ?>
  <?php foreach($values as $k => $v): ?>
    <?php echo $k > 0 ? "<li>$v</li>" : "<p>$v</p>"; ?>
  <?php endforeach; ?>
  <?php endforeach; ?>
</ul>